Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 45
Answer: 15 + 45 = 60 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 10, 14, 13
Answer: 12.333333333333